#app{
    margin:0 auto;
    width: 800px;
    border: 3px solid rgb(37, 58, 122);
}
.text-box{
    border-bottom: 2px solid rgb(151, 149, 149);
    margin: 10px ;
}
.page-item{
    display: inline-block;
    margin-right: 10px;
}
.page-link, .header-btn{
    text-decoration: none;
    color: black;
}
.page-link:hover,.header-btn:hover{
    color: blue;
}
.img-box{
    width: 300px;
    margin-right: 30px;
}
.img-box img{
    max-width: 100%;
    max-height: 100%;
}
.text{
    resize:none;
    border:none;
    text-indent: 2em;
}